[ 1330.650615][T18067] 
[ 1330.650795][T18067] =============================
[ 1330.651054][T18067] WARNING: suspicious RCU usage
[ 1330.651278][T18067] 6.12.0-rc7-virtme #1 Not tainted
[ 1330.651448][T18067] -----------------------------
[ 1330.651654][T18067] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1330.651908][T18067] 
[ 1330.651908][T18067] other info that might help us debug this:
[ 1330.651908][T18067] 
[ 1330.652256][T18067] 
[ 1330.652256][T18067] rcu_scheduler_active = 2, debug_locks = 1
[ 1330.652544][T18067] no locks held by smcrouted/18067.
[ 1330.652712][T18067] 
[ 1330.652712][T18067] stack backtrace:
[ 1330.652917][T18067] CPU: 0 UID: 0 PID: 18067 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1
[ 1330.653186][T18067] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1330.653443][T18067] Call Trace:
[ 1330.653574][T18067]  <TASK>
[ 1330.653659][T18067]  dump_stack_lvl+0xb0/0xd0
[ 1330.653825][T18067]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1330.654020][T18067]  ip6mr_get_table+0x142/0x190
[ 1330.654179][T18067]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1330.654344][T18067]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1330.654555][T18067]  ? __lock_release+0x103/0x460
[ 1330.654712][T18067]  ? __might_fault+0x11b/0x170
[ 1330.654882][T18067]  ? trace_lock_acquire+0x14d/0x1f0
[ 1330.655130][T18067]  ? __might_fault+0xc3/0x170
[ 1330.655295][T18067]  ? lock_acquire+0x32/0xc0
[ 1330.655449][T18067]  ? __might_fault+0xc3/0x170
[ 1330.655611][T18067]  ? __might_fault+0x11b/0x170
[ 1330.655774][T18067]  do_ipv6_setsockopt+0x705/0x34e0
[ 1330.655944][T18067]  ? __lock_release+0x10/0x460
[ 1330.656101][T18067]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1330.656256][T18067]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1330.656428][T18067]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1330.656590][T18067]  ? validate_chain+0x1fe/0xae0
[ 1330.656745][T18067]  ? is_bpf_text_address+0x67/0x120
[ 1330.656917][T18067]  ? __pfx_validate_chain+0x10/0x10
[ 1330.657072][T18067]  ? hlock_class+0x4e/0x130
[ 1330.657228][T18067]  ? mark_lock+0x38/0x3e0
[ 1330.657351][T18067]  ? __lock_acquire+0xb3f/0x1580
[ 1330.657515][T18067]  ? find_held_lock+0x2c/0x110
[ 1330.657681][T18067]  ? ipv6_setsockopt+0x7f/0xe0
[ 1330.657836][T18067]  ipv6_setsockopt+0x7f/0xe0
[ 1330.658026][T18067]  rawv6_setsockopt+0xb7/0x550
[ 1330.658186][T18067]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1330.658343][T18067]  ? __lock_acquire+0xb3f/0x1580
[ 1330.658500][T18067]  ? kfree+0x2d/0x340
[ 1330.658625][T18067]  do_sock_setsockopt+0x149/0x3a0
[ 1330.658781][T18067]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1330.658996][T18067]  ? __lock_release+0x103/0x460
[ 1330.659161][T18067]  ? fd_install+0x1d1/0x5a0
[ 1330.659328][T18067]  ? trace_lock_acquire+0x14d/0x1f0
[ 1330.659486][T18067]  ? fdget+0x52/0x1e0
[ 1330.659613][T18067]  __sys_setsockopt+0x104/0x1a0
[ 1330.659775][T18067]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1330.659940][T18067]  ? __sys_socket+0x168/0x1e0
[ 1330.660096][T18067]  ? __pfx___sys_socket+0x10/0x10
[ 1330.660260][T18067]  ? do_user_addr_fault+0x374/0xe30
[ 1330.660422][T18067]  __x64_sys_setsockopt+0xbd/0x160
[ 1330.660585][T18067]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1330.660777][T18067]  do_syscall_64+0xc1/0x1d0
[ 1330.660936][T18067]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1330.661130][T18067] RIP: 0033:0x7f97f5ef891e
[ 1330.661353][T18067] Code: 0f 1f 40 00 48 8b 15 e1 94 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b1 0f 1f 00 f3 0f 1e fa 49 89 ca b8 36 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 0a c3 66 0f 1f 84 00 00 00 00 00 48 8b 15 a9
[ 1330.662030][T18067] RSP: 002b:00007ffe03fc5328 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1330.662341][T18067] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f97f5ef891e
[ 1330.662676][T18067] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1330.663035][T18067] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1330.663269][T18067] R10: 00007ffe03fc534c R11: 0000000000000246 R12: 0000000000000000
[ 1330.663507][T18067] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f97f5ffd000
[ 1330.663817][T18067]  </TASK>
[ 1330.668869][T18067] veth0: entered allmulticast mode
[ 1330.669534][T18067] veth1: entered allmulticast mode
[ 1330.669961][T18067] veth2: entered allmulticast mode
[ 1330.670298][T18067] veth3: entered allmulticast mode
[ 1330.672277][T18067] veth4: entered allmulticast mode
[ 1330.672694][T18067] veth5: entered allmulticast mode
[ 1356.507012][T18067] veth0: left allmulticast mode
[ 1356.507368][T18067] veth1: left allmulticast mode
[ 1356.507670][T18067] veth2: left allmulticast mode
[ 1356.507927][T18067] veth3: left allmulticast mode
[ 1356.508201][T18067] veth4: left allmulticast mode
[ 1356.508582][T18067] veth5: left allmulticast mode